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[ro̅o̅′gə] pl. rugae
Etymology: L, ridge
a ridge or fold, such as the rugae of the stomach, which are large folds in the mucous membrane of that organ.
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(roo'ga) plural.rugae [L.]
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RUGAE: Rugae of stomach as seen through an endoscope
A fold or crease, esp. one of the folds of mucous membrane on the internal surface of the stomach. See: illustration

palatal ruga

One of the folds of the mucous membrane of the roof of the mouth. Synonym: palatine ruga

palatine ruga

Palatal ruga.

ruga of vagina

One of the small ridges on the inner surface of the vagina extending laterally and upward from the columna rugarum (long ridges on the anterior and posterior walls).


Folds, wrinkles or creases, as in the skin of the scrotum.

rugae (roo´gē, roo´jē), the irregular ridges in the mucous membrane covering the anterior part of the hard palate.
rugae area,
References in periodicals archive ?
mainly rugae-colpate, possibly with 30 rugae, and the rugae are simple
34) Patients commonly present with nonspecific gastritis and/or a peptic ulcer and at endoscopy, reddened and slightly thickened rugae are often present with superficial spreading of lesions without formation of a tumor mass.
Thorax: Most anterior region of pronotum with eight holes; scutum with well-defined median furrow, scutum, scutellum and metanotum with dense punctures, PIS < PD, sides of mesothorax alutaceous, sides of metathorax sparsely punctate and polished; propodeal dorsum with median carina that extends near to dorsum apex, rugae on dorsum somewhat reticulate; propodeum without lateral carina, dorsolateral and posterolateral areas with coarse, transverse, short carinae; sides ofpropodeum alutaceous, with sparse and minute punctures; posterior sides of propodeum with narrow, deep median furrow, sides of furrow with somewhat sinuate rugae.
0 = no blood detectable; 1 = thin blood follows the rugae; 2 = thick blood follows the rugae; 3 = thick blood follows the rugae with blood clots in certain areas and 4 = extensive covering of the whole gastric mucosal surface with thick blood.
A majority of the empty stomachs had distended stomach rugae, indicating that regurgitation had occurred.
A routine examination that identifies telescoping, posterior pillar rugae, or significant webbing warrants inquiry into snoring or sleep apnea.